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Detect browser
var detectBrowser = function(){
var ua = navigator.userAgent, tem,
M = ua.match(/(opera|chrome|safari|firefox|msie|trident(?=\/))\/?\s*(\d+)/i) || [];
if (/trident/i.test(M[1])) {
tem= /\brv[ :]+(\d+)/g.exec(ua) || [];
return 'IE ' + (tem[1] || '');
}
if (M[1] === 'Chrome') {
tem = ua.match(/\bOPR\/(\d+)/);
if (tem != null) return 'Opera ' + tem[1];
}
M = M[2] ? [M[1], M[2]]: [navigator.appName, navigator.appVersion, '-?'];
if ((tem = ua.match(/version\/(\d+)/i)) != null) M.splice(1, 1, tem[1]);
return M.join(' ');
};
var detectedBrowser = detectBrowser();
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